org.elasticsearch.monitor.fs.JmxFsProbe Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.monitor.fs;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.NodeEnvironment;
import java.io.File;
/**
*/
public class JmxFsProbe extends AbstractComponent implements FsProbe {
private final NodeEnvironment nodeEnv;
@Inject
public JmxFsProbe(Settings settings, NodeEnvironment nodeEnv) {
super(settings);
this.nodeEnv = nodeEnv;
}
@Override
public FsStats stats() {
if (!nodeEnv.hasNodeFile()) {
return new FsStats(System.currentTimeMillis(), new FsStats.Info[0]);
}
File[] dataLocations = nodeEnv.nodeDataLocations();
FsStats.Info[] infos = new FsStats.Info[dataLocations.length];
for (int i = 0; i < dataLocations.length; i++) {
File dataLocation = dataLocations[i];
FsStats.Info info = new FsStats.Info();
info.path = dataLocation.getAbsolutePath();
info.total = dataLocation.getTotalSpace();
info.free = dataLocation.getFreeSpace();
info.available = dataLocation.getUsableSpace();
infos[i] = info;
}
return new FsStats(System.currentTimeMillis(), infos);
}
}